AirHint found the following cheapest return flights from Charleroi (CRL) to Keflavik (KEF) in May 2026 (see full year).

Return flights

02 May - 07 May	Ryanair
10 May - 15 May	Ryanair
02 May - 10 May	Ryanair
18 May - 26 May	Ryanair
02 May - 09 May	Ryanair
17 May - 26 May	Wizz Air
29 May - 07 Jun	Ryanair
02 May - 06 May	Ryanair
13 May - 20 May	Ryanair
02 May - 11 May	Ryanair
03 May - 08 May	Ryanair
28 May - 07 Jun	Wizz Air
28 May - 08 Jun	Wizz Air

Also check the deals for one-way flights from Charleroi to Keflavik in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Charleroi to Keflavik in May from 200€

Return flights